diff --git a/src-tauri/src/core/core.rs b/src-tauri/src/core/core.rs
index 7f08ec111..f78930a0a 100644
--- a/src-tauri/src/core/core.rs
+++ b/src-tauri/src/core/core.rs
@@ -1,5 +1,6 @@
 use crate::config::*;
 use crate::core::{clash_api, handle, service};
+use crate::core::tray::Tray;
 use crate::log_err;
 use crate::utils::dirs;
 use anyhow::{bail, Result};
diff --git a/src-tauri/src/core/process_lock.rs b/src-tauri/src/core/process_lock.rs
index 6325ace51..7a3e951aa 100644
--- a/src-tauri/src/core/process_lock.rs
+++ b/src-tauri/src/core/process_lock.rs
@@ -1,7 +1,7 @@
 use anyhow::{bail, Result};
 use std::fs;
 use std::path::PathBuf;
-use sysinfo::{Pid, System};
+use sysinfo::{Pid, System, Signal};
 use crate::utils::dirs;
 use std::time::Duration;